CVE-2026-102013 Junos OS and Junos OS Evolved: An attacker causes na-grpcd to crash when the InitialSync service is used
An unauthenticated attacker on the internal network can crash the na-grpcd process, causing a denial of service in Junos OS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102013?
CVE-2026-102013 is a medium-severity vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A NULL Pointer Dereference vulnerability in the na-grpcd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker with access to the chassis-internal network to cause a denial of service via a network message.
Weakness: CWE-476
Which versions are affected by CVE-2026-102013?
How do I fix CVE-2026-102013?
No fix has been published for CVE-2026-102013 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102013 being exploited?
There is no known exploitation of CVE-2026-102013 in the wild and no public exploit code.
Sources
Also known as GHSA-9886-w4q7-fj99.